K. E. Bergeron Mechanical Systems, LLC is a 2nd generation HVAC business based out of Keene, NH. We specialize in high quality HVAC system design, installation, service, and maintenance for Southern New Hampshire and Vermont.

  • ACCA Certified (Air Conditioning Contractors of America)
  • Energy Star Approved Contractor
  • We actively work on LEED-Certified buildings
No Problems, Just Solutions!

As a second generation family company, K. E. Bergeron Mechanical Systems, LLC provides superior value to customers in Keene, NH and surrounding areas. We handle the full range of industrial, commercial, and residential HVAC requirements, from new installation to upgrades, seasonal maintenance, and repair. For every job, we uphold uncompromising levels of professionalism and quality. We’re simply not satisfied unless you are.

Dependable Heating & Cooling Services From An Expert Team!

Contact us at 603-563-8305 for a prompt response. We take advantage of new digital dispatch software to avoid delays. Our team of EPA certified, Natural/LP gas licensed, highly trained and experienced technicians are prepared for any challenge. As a Mitsubishi Diamond Elite Dealer, we are leaders in ductless split design and implementation, and we specialize in Indoor Air Quality.